Corrigé Ratt2 Ang2 ST 18 19 .pdf


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Full Name:
Signature:

(U
AB
T)
20
18
~

Group:

20
19

2nd Semester English Make-up Exam

L1 ST

ce
s

4. proton
5. characteristics
6. conductivity

7. discoveries
8. orbiting
9. charged

cie
n

1. Matter
2. universe
3. particles

1- “The most important characteristics of an atom are its atomic number and mass

de
sS

number.”

2- “The universe is wider than our views of it.”

lté

3- “Matter is what forms physical objects”

Fa
cu

4- “Electrons are negatively-charged sub-atomic particles”
5- “A satellite phone connects to satellites that are orbiting the Earth.”

2)
~

6- “The electrical conductivity of sea-water increases with the salinity.”
phenomenon.”

(S

7- “The research led to a number of important discoveries about the

/S
T

8- “When an atom is charged, it becomes an ion.”

SM

Task N°2 (05 pts): Reorder the following words in order to form meaningful sentences.

MD

a. a- particles – The – of - packed – solid – are – together.

eL

The particles of a solid are packed together. (2 pts)

em

ièr

b. of – philosophy. – Physics, – and – chemistry, – some – were – mathematics –
branches – of – a – part

Physics, chemistry, and some branches of mathematics were a part of philosophy.
(3 pts)

Pr

Page Facebook "Sciences Tlemcen"

Task N°1 (06 pts): Complete the following sentences with the appropriate words from
the list below. Not all the words can be used. (0.75 pts)

20
19

Task N°3 (03 pts): Complete the sentences below using the appropriate connective from
the following list:
“because – but – so – and” (0.75 pts)

(U
AB
T)
20
18
~

a. Contact forces include frictional forces, tensional forces, normal forces, air
resistance forces, and applied forces.
b. I know you must be tired, so I will let you rest.

c. Thousands of researchers study physical and chemical phenomena because they
want to understand the universe.

ce
s

de
sS

cie
n

Task N°4 (06 pts): Put the verbs between brackets into the correct tense: (0.75 pts)

a. The word matter (to refer) refers to everything in the universe that (to have)
has mass and takes up space.

lté

b. When a solid (to be) is heated to its melting point, it (to become) becomes / will

Fa
cu

become liquid.

c. We (to heat) heated the liquid to its boiling point and converted it into a gas.

2)
~

d. We (to measure) measure the heat using a thermometer.

em

ièr

eL

MD

SM

/S
T

(S

e. If we (to mix) mix oil and water, then oil (to float) will float on water

Pr

Page Facebook "Sciences Tlemcen"

d. The exam was difficult, but not as difficult as we had expected.

Good Luck!


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